This important reference work is an extensive resource for students who want to investigate the world of cybercrime or for those seeking further knowledge of specific attacks both domestically and internationally. Cybercrime is characterized by criminal acts that take place in the borderless digital realm. It takes on many forms, and its perpetrators and victims are varied. From financial theft, destruction of systems, fraud, corporate espionage, and ransoming of information to the more personal, such as stalking and web-cam spying as well as cyberterrorism, this work covers the full spectrum of crimes committed via cyberspace. This comprehensive encyclopedia covers the most noteworthy attacks while also focusing on the myriad issues that surround cybercrime. It includes entries on such topics as the different types of cyberattacks, cybercrime techniques, specific cybercriminals and cybercrime groups, and cybercrime investigations. This includes an unbiased examination of controversial topics such as Julian Assange's leak of secret documents to the public and Russian interference in the 2016 US presidential election. Nancy E. Marion is Assistant Professor of Political Science at the University of Akron, USA, and holds degrees in criminal justice and political science. Jason Twede , PhD, is assistant professor in the Department of Sociology, Social Work, and Anthropology at Utah State University, USA.